|Date|Time|Opponent#|Rank#|Site|TV|Result|Attendance|
|---|---|---|---|---|---|---|---|
|September 1|2:30 PM|Nevada*|#19|Memorial Stadium • Lincoln, NE|ABC|W 52–10|84,078|
|September 8|11:00 AM|at Wake Forest*|#17|BB&T Field • Winston-Salem, NC|ESPN|W 20–17|32,483|
|September 15|7:00 PM|#1 USC*|#14|Memorial Stadium • Lincoln, NE|ABC|L 31–49|84,959|
|September 22|11:30 AM|Ball State*|#22|Memorial Stadium • Lincoln, NE|FSN PPV|W 41–40|84,294|
|September 29|1:05 PM|Iowa State|#22|Memorial Stadium • Lincoln, NE||W 35–17|84,703|
|October 6|8:15 PM|at #17 Missouri|#23|Faurot Field • Columbia, MO (Rivalry)|ESPN|L 6–41|70,049|
|October 13|11:30 AM|Oklahoma State||Memorial Stadium • Lincoln, NE|PPV|L 14–45|84,334|
|October 20|1:05 PM|Texas A&M||Memorial Stadium • Lincoln, NE||L 14–36|84,473|
|October 27|2:30 PM|at #16 Texas||Darrell K Royal–Texas Memorial Stadium • Austin, TX|ABC|L 25–28|85,968|
|November 3|11:30 AM|at #8 Kansas||Memorial Stadium • Lawrence, KS|FSN|L 39–76|51,910|
|November 10|11:30 AM|Kansas State||Memorial Stadium • Lincoln, NE|Versus|W 73–31|84,665|
|November 23|11:00 AM|at Colorado||Folsom Field • Boulder, CO (Rivalry)|ABC|L 51–65|51,403|

Question: how many total games were aired on espn?
Answer: 2